Invalid sim card after android update. Check the SIM card for moisture and dust 3.


Invalid sim card after android update. I got the TracFone SIM card and tried to activate it, but all my efforts proved abortive. If it Aug 1, 2024 · In this article, we bring you the 8 best ways to fix the ‘Invalid SIM card’ error on an Android smartphone. Dec 18, 2023 · Are you facing problems in using the telecom services on your phone? Follow this guide to fix the No SIM Card Detected issue on Android. Overall, the Invalid SIM card error can be a frustrating issue to deal with on your Android phone. Aug 3, 2024 · Test for a malfunctioning SIM card If your iPhone still says it has no SIM, your SIM card could have a hardware problem. Whether you’ve fallen into this network-locking trap after switching carriers, bought a secondhand phone, or just had a tech hiccup, we Fix the Sim card not detected error with this step-by-step guide. ) Jun 4, 2024 · So, if you’re facing an invalid SIM card error on your Android device, read on to discover quick and easy solutions to fix the issue and regain seamless connectivity. Restart your phone. Hi there, I just got my 5G Mifi and it worked great for about 30 minutes and then I got an "Invalid SIM" message. Try removing your SIM and reinserting it. Make sure not to touch the contact point when doing so. We even did a factory reset and nothing did the trick. May 2, 2023 · Once the update is complete, restart your phone and check to see if the Invalid SIM card error has been resolved. Whether you're just Due to the latest device launch, we expect to receive higher contact volume than normal. As far as the culprit is concerned, it isn’t the carrier because this issue isn’t limited to any carrier, it has affected users across India, the US, and the UK. Any one else run into this. 1 (iPhone Xr) and it's said this for nearly a day now, I can't access internet when I'm off Wi-Fi. Update your iOS software As with carrier updates, an iOS update may resolve the SIM card issue. Before you contact them, there are a couple of things you can try first, like checking the SIM card for damage or swapping it with one from another phone or tablet After activating your SIM card, locate the SIM card slot on your phone. Seeing an "Invalid SIM Card" message on your TracFone can be confusing—and frustrating, especially if your phone was working just fine before. Mar 27, 2024 · SIM Card Compatibility: Ensure that your Android device is compatible with the SIM card and network bands supported by your network provider. 05-04-2025 08:23 AM. Problems such as "No Service," "No SIM Card Found," or "No Network" are all Dec 20, 2024 · Remember to test your SIM card after each step to see if the problem is resolved. If you use a SIM tray from a different model iPhone, iPad, or from another phone manufacturer, it might not fit properly. This frustrating Aug 3, 2018 · I got Moto z2 force from USA that was on sprint, it was working fine with my sim for some time but with last android update i got "Invalid SIM card" error Sep 19, 2020 · After inserting new Sim card I factory reset my device then did a system update. In the settings, there's now a SIM Manager that shows a SIM 2 (Unknown), which shouldn’t be there, as my phone "Invalid SIM" I'm not really sure what to do, I've taken the card out and put it back in along with restarting my phone several times and checking for updates. How to Fix No SIM Found, Invalid SIM, Or SIM Card Failure Error on Android Yendry Cayo Tech 430K subscribers Subscribed Worried of why phone says invalid sim card Android? Learn best and easy ways to fix invalid SIM card error on Android/Samsung phone Jun 20, 2025 · Easy ways to solve Invalid SIM, SIM Not Valid, SIM Failure, & moreIf you see "Invalid SIM," "SIM Not Valid," or "No SIM Card Inserted" errors on your iPhone or iPad, your device isn't recognizing your SIM card. I looked for tutorials to reset it and found one that involved flashing the combinational ROM and stock ROM using Odin. Troubleshoot with step-by-step solutions, device-specific tips, and preventive measures for iPhone and Android. Improper SIM Card Placement: If the SIM isn’t seated correctly in its tray, your phone won’t recognize it. This issue only occured after Samsung Software latest update. Dec 3, 2024 · Connect your iPhone to the internet and then go to Settings -> General -> About to install the wireless carrier settings update,. Jan 26, 2024 · Introduction Encountering the "Invalid SIM Card" issue on your Android device can be a frustrating experience. cc/JhZ8Y1jf/Screenshot-20250430-044940-Setup-Wizard. One way to test this is by inserting a SIM card from another cell phone that you know works fine. Nov 14, 2022 · My Note20 stopped being able to see the sim in the phone after the November 2022 update. A SIM card may be invalid or not recognized by the mobile device for several reasons. It's very good when ours a Jan 5, 2024 · Learn how to troubleshoot and fix the "Invalid SIM Card" issue on your LG device with this step-by-step guide. Check out How do I remove and insert a SIM card on iPhone and How do I remove and insert a SIM card on Android for more information. I've been having an issue with invalid SIM card errors for months. Jan 31, 2025 · Prior to the Android 13T update, my device functioned correctly with both 4G SIM cards. Take care not to insert the tool into the microphone. Try using another SIM card. Can anyone help? Is this a hardware malfunction or is it still something that needs to be worked out with the carrier? If you get an alert that says Invalid SIM or No SIM Card installed, follow these steps. 2. ND I put arrive on it yesterday so it should be in service too. 1 last night, instantly started having issues with my sim. 8. This clears out temporary software glitches that might be interfering with the SIM card recognition process. This could be caused by poor network coverage or issues with your service provider. Mar 10, 2025 · Physical SIM Card Damage: Over time, SIM cards can wear out, get scratched, or suffer water damage. Someone suggested a phone reboot. This problem can disrupt your ability to make calls, send messages, and access mobile data, impacting both personal and professional communication. See full list on androiddata-recovery. Now I get the message: "Emergency calls only. If you have a prepaid card, this happens if you have not topped it up for a long time. Sim Card Not Working | No Service | No Sim Card, Invalid Sim etc. Backup before major updates for safety. Jun 13, 2023 · Explore the meaning of an 'Invalid SIM' error, its common causes, and various solutions to fix it. No Sim Card, Invalid Sim and other Sim not detected errors on Android Simple Fix Auld Lang Syne · DJ Williams 23K Dislike Is your iPhone displaying an “Invalid SIM”or “No SIM” message? Follow our detailed guide to troubleshoot and fix the issue of no sim available, restoring your connection. Any help is appreciated After an android-update, my device doesn't detect my sim card anymore. So my iPhone updated to 17. Now you can’t make phone calls, send texts, or use cellular data. Update your device software**: Ensure your phone's operating system is up to date. Sep 12, 2023 · Easy to follow guide with 7 fixes to resolve the dual SIM not working issue on Samsung Galaxy S21 devices. In the settings, th UPDATE: My warranty was still valid and so I went to a Samsung service center. Understanding the common causes behind this issue and learning effective solutions is crucial for restoring the functionality of your Read these FAQs for help with SIM card and eSIM issues like why is the SIM card in my phone not working? What's the reason my eSIM isn't working in my iPhone or Android phone? If these answers don't solve your issue, visit our Troubleshooter. Remove your iPhone SIM card or iPad SIM card from the SIM card tray and then put the SIM card back. Invalid card. After the initial update to Android 12, this "CID Manager" app disappeared. Message comes up 1-4 times a day. Talked with my carrier for 3 hours today to no avail. This will help you with problems related to data connection, text messages and domestic/international calling. Once done, you won’t get any Jan 23, 2024 · iOS updates generally aim to enhance user experience, boost security, and fix bugs rather than disrupt core features. But it is I have not messed with it at all. They had to replace my motherboard (that's what they said). Jan 24, 2024 · Learn why your mobile device displays the "Invalid SIM Card" message and how to troubleshoot this issue with our comprehensive guide. 9K subscribers Subscribed Sep 7, 2025 · Seeing “No SIM” or “Invalid SIM” on iPhone? Check your SIM card, restart, or update your carrier settings. SIM card issues after updates might stem from underlying, unmentioned factors. Check the SIM card option 3. Network locked SIM card inserted” is Aug 16, 2025 · Having no cellular service SIM Card on your iPhone after installing the latest iOS update? After installing the latest iOS 18. Jan 22, 2024 · Experiencing an "Invalid SIM Card" message on your phone? Learn effective troubleshooting tips to resolve this issue and get your device back up and running. We would like to show you a description here but the site won’t allow us. I didn't move locations, it's just sitting on my dining room table. Is there anyone else having the same problem? I restarted my phone a couple of times, cleaned the sim slot and the sim but still the same. Try executing the MMI code again to see if the issue persists. Your iPhone will automatically check for the update and a screen will appear after a few seconds if an update is available. If you need more help we'll connect you to a Customer Service Representative. Is that normal? Does it take a while to "properly activate"? Should I try anything? Update: it started working again after a few hours. Apr 1, 2021 · I did the software update today, after the update finished, my phone now says that there is no sim card inserted. In this case, you should contact customer service and ask them to reactivate the card. Restart Your Device A simple restart is often the most effective first step. Call support What does Most issues with your SIM card will need to be resolved by your carrier. Simple fixes often restore cellular service quickly. I have seen several other cases of this happening during updates in other patches, but not this one specifically. If you still see an "Invalid SIM" message, it's likely a problem with the SIM card itself. Aug 3, 2024 · If your iPhone says “SIM Failure” after iOS 18 update, it can mean that the SIM hasn’t been inserted properly, the SIM is damaged, your carrier account may have an issue, or the iPhone itself may have an issue. jpg. However, by following the steps outlined above, you should be able to fix the problem and get back to using your phone as usual. Jun 6, 2025 · When trying a different SIM card, you can easily determine whether the problem lies with the SIM card itself or the device. There’s no need for panic, though. !! in this video I'll show you how to repair Invalid Sim, Service Disabled and No Service problem on LG Phones with easy meth Jul 27, 2023 · Troubleshooting guide for 'Invalid SIM Card' error on Android. Find easy fixes and solutions to regain access to your mobile services. 31 people had this problem. Share Add a Comment Sort by: Best Open comment sort options Best AutoModerator • Moderator Announcement Read More » Reply reply AppointmentWinter885 • Jan 10, 2025 · When your Android device displays the “Invalid SIM Card” error, it essentially indicates that the phone is unable to recognize or authenticate the inserted SIM card. 5. In this video, I demonstrated how to resolve issues with a phone that does not recognize a SIM card when inserted. This guide also answers related questions about the error's impact on your phone's functionality. Have you tried restarting your phone after encountering the "Error code 5 invalid SIM card" message? 3. Nov 30, 2024 · How to Fix No SIM Card, Invalid SIM Problem or No SIM card Detected On Android Phone (New Update)How to Fix No SIM Card Emergency Calls Only On AndroidHow to Possible reasons for this may be that there is no SIM inserted in the device, or it is inserted incorrectly, or the SIM is disabled. Without a SIM card, you can only use your phone's Wi-Fi to browse the web, access social media, and stream video. Aug 31, 2023 · Have you ever felt that heart-sinking moment when your phone flashed a “Invalid SIM card. Whoever built this update really needs to go into some other line of work, because phones with an eSIM DON'T HAVE A SIM CARD!!! Possible reasons for this may be that there is no SIM inserted in the device, or it is inserted incorrectly, or the SIM is disabled. Turn the flight mode on and off 3. The phone will not authenticate the SIM card if it is not connected to WIFI. Jan 23, 2024 · Learn how to fix an invalid SIM card issue with our comprehensive guide. In this video, we’ll show you the general solutions that you Jun 25, 2025 · Your SIM card is recognized by the device but isn’t yet activated or authorized by the network. What is the SIM Card Before we jump into the remedies, a brief Test your SIM card in a different phone**: If you have another phone available, try inserting your SIM card into it. so i put the good Sim card into my good phone, so why is it still saying invalid Sim Jul 6, 2023 · The ‘No SIM’ or ‘Invalid SIM’ alert on your iPhone can disrupt this harmony, turning your sophisticated gadget into a pricey desk ornament. How to Fix No SIM Found, Invalid SIM, Or SIM Card Failure Error on Android Make knowledge free 42. This issue might be something physical like a damaged SIM card or something digital like an issue with the software. Aug 10, 2022 · If you get an Invalid SIM card message on your Android, restart your device, remove and place the SIM again, or check with your carrier. Apr 27, 2022 · Therefore, the NO SIM DETECTED ISSUE only happens on this phone that is just have updated a few days ago. Update the device 3. 1. My device still says invalid Sim card I had 2 of exact same Android devices 1 had a cracked screen with working Sim card and the other was a good working phone with a Sim card. Tap on Restart (or Reboot). Updates won't typically alter personal data but may refine settings or features. Let us know if the problem persists! I updated from my Samsung J5 to A15 using the J5 sim. How to FIX!Click like then I will get hard. You will not be able to make or receive calls, send/receive messages if it shows up ‘ No Service ‘ or ‘ Invalid SIM ‘ option. The Verizon SIM card can be invalid due to several reasons like location problem, sim card not listed or not inserted properly. Reboot doesn't fi - Google Fi Wireless Community Help Center Community Google Fi One of the most commonplace problems that affect Android smartphones is the "No SIM Card" error. Power off your phone, open the back cover, and gently slide out the SIM card tray. Nov 12, 2021 · A pop-up appeared on your iPhone saying “Invalid SIM” and you’re not sure why. You can expect to fix most issues in under 5 minutes. Then I restarted my phone and then put the Sim card back in but it's still showing that my sim card is invalid. Incompatible SIM cards or devices may encounter connectivity issues. The phone works well now, even after the software update that killed it previously. Got 'invalid simcard/network locked, simcard inserted' message. If the problem continues, consider trying other fixes listed below. Wait for your device to turn off completely and then turn back on. 7. Make sure that the SIM tray closes completely and isn't loose. If you receive an alert that says Invalid SIM or No SIM Card installed, follow these steps. Oct 11, 2022 · As of now, numerous Pixel 4A 5G users have voiced their concern that their SIM card is no longer being detected after the Android 13 update. Today, all of a sudden, my SIM card stop working (can't call, can't text, can't use data), and I get an "Invalid SIM card" notification. com Jan 27, 2023 · I believe the update is the cause of the problem as this issue occurred immediately after the update, and we've gone through all of the usual fixes (reseating the SIM card, restarting the phone, clearing SIM card cache, wiping the cache partition, etc. Sep 28, 2023 · If your TextNow SIM card is not working, check and reinsert your SIM card, ensure the SIM card is not damaged, ensure SIM is activated, configure APN settings, restart your device, update the TextNow app, or contact TextNow customer support. Jul 10, 2018 · Unlocked G920T galaxy s6 says "invalid SIM card" after flashing ROM/FRP bypass HI everyone, I purchased a used galaxy s6 g920T off ebay and it was unlocked but it had the FRP (factory reset protection) so I couldn't do anything. 1. " — even when no SIM is inserted. I'm on iOS 15. Head here for help finding it on your device. Restart the Android phone 3. Did a software update cause your Galaxy S22, S23, or S24 to stop recognizing your SIM card? Get back online with these troubleshooting solutions!Learn how yo Dec 3, 2024 · Connect your iPhone to the internet and then go to Settings -> General -> About to install the wireless carrier settings update,. If the No SIM Card Installed warning disappears after inserting another SIM, then your iPhone SIM is broken. Screenshot: https://i. Turn your Mint Mobile eSIM off and on If after inserting the SIM card or installing the eSIM, your device displays a "Invalid SIM", " Network Unlock PIN" or similar notifications; this indicates your phone is carrier locked to another service provider. After Android system upgrade on Motorola x phone, I get an Invalid SIM card error. postimg. . **4. Aug 4, 2025 · A "SIM card invalid" message on your Android phone is frustrating, but usually fixable. Dec 22, 2021 · Step 2: If your phone functions normally and you can make calls, access the Internet, and send messages, it is unlocked and your sim card is faulty If you discover that you have a network-locked SIM card in your phone, we may discuss the options accessible to you. Did this issue with the SIM card and phone lock happen immediately after the update, or was there a delay before the problem occurred? May 1, 2023 · If you're experiencing an Invalid SIM card error on your Android phone, don't panic. And my android phne is Canadian version smg955w Sep 6, 2022 · 4. Software Glitches: iOS or Android bugs can sometimes confuse the system into thinking the SIM is missing or invalid. Jan 4, 2025 · A SIM card is a vital part of a Samsung phone, as it allows you to access the network and authenticate you. If the new SIM card works without issues, it suggests that the original SIM may need to be replaced. Aug 14, 2023 · If your phone displays an “ Invalid SIM card ” error, it could be because you have a network-locked SIM card. Oct 29, 2022 · "Network locked SIM card inserted" or "Invalid SIM Card" is the error android users have reported while trying to activate a new SIM card on their phone. An 'Invalid SIM' card error means your phone can’t connect to your mobile network. In this troubleshooting article, we’ll guide you on how to address the problem on Galaxy S10. 4. Next, use a SIM removal tool (included with your SIM card packaging) to remove your SIM card. In this article, I have carefully explained the steps I followed to fix my TracFone SIM activation issues. The SIM card may be unregistered, invalid, or not yet provisioned with the carrier. One of the main reasons I started using it was because of its dual SIM capability. The phone took rest in my shelf for about 2 weeks since I read in many blogs that the latest Google update caused Moto G to Nov 11, 2023 · There may have been an incorrect software update or outdated software that has affected the sim card’s functionality. Apr 1, 2025 · Struggling with mobile connectivity? Discover reasons why your SIM card suddenly stopped working and learn quick troubleshooting tips to get back online. If after inserting the SIM card or installing the eSIM, your device displays a "Invalid SIM", " Network Unlock PIN" or similar notifications; this indicates your phone is carrier locked to another service provider. Sep 22, 2023 · A quick way to solve the SIM card problem is to remove the SIM card from your Android phone and reinsert it. Dec 4, 2022 · It is possible to unlock a network-locked SIM card inserted by inputting the unlock code provided by your network carrier, repairing your phone’s firmware, or using an online SIM unlock service like Android SIM Unlock. Apr 23, 2014 · Just a few weeks after I started using it, I got a Google update and soon after that I had to move the phone back to the shelf. Feb 27, 2024 · Getting the SIM card error message on your smartphone again and again? Read this blog to figure out what is wrong and how to fix it. Jun 21, 2023 · 3. Network Issues: Another reason why your Samsung S23 or S23 Plus may not be detecting a sim card could be related to network issues. Coincidentally, the phone just got an Android June security update yesterday night, and I see a maintenance message when I logon Tello website. Force Stop the Activation Agent Again if you have an unlocked device and you are still getting the same SIM card error, then you need to deactivate or force stop the activation agent app on the phone. You'll get hard too. I restarted it and now I get "No service". Mar 11, 2025 · If you get an alert that says Invalid SIM or No SIM Card installed, follow these steps. I was just wondering, if anyone has the same issue? Dear Martview-Forum Subscribers. Are you constantly receiving an "Invalid SIM Card" error on your Android device? Here's how to fix it. Sep 13, 2024 · Learn how to fix the 'No SIM Card Detected' error on your Galaxy phone with this guide to resolve SIM card issues. Make sure that the SIM tray closes completely and isn’t loose. Already tried resetting my netwerks and other tips i've found online. Definitely make sure you backup your important data first. It could also be a problem with network settings or software glitches preventing your phone from recognizing the SIM card. Mar 16, 2023 · A: To fix the “Invalid SIM” or “No SIM” error, you can try restarting your phone, checking the SIM card slot, cleaning the SIM card and slot, ensuring SIM card compatibility, updating your phone’s software, resetting network settings, trying another SIM card, or contacting your mobile service provider. Learn how to troubleshoot and restore connectivity on your device quickly. Check the SIM card for moisture and dust 3. Factory reset your device 3. Then go to the Running section and disable all Verizon software. 6. Get your phone back up and running in no time! Dec 17, 2022 · Remove your SIM card from the SIM card tray and then put the SIM card back. I have taken the Sim card out and went to sim toolkit and forced stop and cleared the cache and the storage. Fix #2: Check Your SIM Card A faulty or May 3, 2025 · Here's the very simple and easily explainable problem: Samsung Galaxy's latest OneUI update (which was a profound flop of amess in so many ways) keeps giving the erroneous notification that the SIM card is missing. Sep 25, 2024 · To fix the "No SIM card" error on Android, check if the SIM card is inserted correctly or if the SIM tray is bent or damaged. To check if your question is already answered, go to the Pixel Phone Help Center. If not, it might be an issue with your phone. The reason was, it stopped recognizing the first SIM on it. I have tried multiple sims form my service provider and is seems Recently installed update my phone and after restart says invalid sim card. Turn your Mint Mobile eSIM off and on So my iPhone updated to 17. Mar 17, 2022 · Table of contents: What does invalid SIM card mean? What causes the invalid SIM card error? How to fix the invalid SIM card? 3. I live in pakistan. The network is unable to assign your SIM card a unique subscriber identity (IMSI) or activate your account. You may lessen your chances of getting the “Invalid SIM” message by treating your SIM card properly, storing it safely, and keeping your device software up to date. See if the SIM card works on another phone. Steps to Restart Your Android Device: Press and hold the Power button on the side of your device until the Power menu appears. How to Fix No SIM Card, Invalid SIM, Or SIM Card Failure Error on Motorola Android phones Yendry Cayo Tech 446K subscribers Subscribe Feb 12, 2025 · Experiencing a SIM card not being detected on your Samsung Galaxy can be frustrating and disruptive. Swapping your SIM Card with Steve Hopkins—It's Easy, I Promise. Jan 6, 2024 · Experiencing an "Invalid SIM Card" message on your phone? Find effective solutions to resolve this frustrating issue and get your device back up and running smoothly. Nov 7, 2019 · “No SIM Card” error is one of the common issues on Android devices. Discover troubleshooting tips and solutions for seamless mobile device usage. Apr 17, 2024 · If you are getting an “Invalid SIM Card” or “No SIM” error, you can try restarting your Android device, removing the SIM card and re-adding it, and resetting Learn best and simple troubleshooting solutions to fix "Invalid SIM card" error on Android phone using automatic/manual ways Aug 26, 2024 · Expert guide to fix Invalid SIM Card errors. In this article, I’ll explain why it says Invalid SIM on your iPhone and show you how to fix the problem for good! Jan 6, 2024 · Learn how to troubleshoot and fix the "Invalid SIM Card" error on your Android device with these helpful tips and solutions. 5. Our complete guide offers practical solutions to help you resolve this Jul 22, 2025 · Invalid SIM card: How to solve the problem If you receive a message on your smartphone stating that your SIM card is invalid, there may be several reasons for this. These errors will appear after an inconsistent amount of time (usually anywhere from a few hours to a week). Let’s dive in! The most common method for troubleshooting activation issues in the TracFone Network is to make sure Aug 31, 2023 · Have you ever felt that heart-sinking moment when your phone flashed a “Invalid SIM card. This message indicates that your SIM card is locked by your network provider, preventing you from using it with other networks. This comprehensive guide provides all you need to know to troubleshoot and solve this vexing issue, reviving your iPhone’s complete capabilities. When it was fine before my service shut off for a few days. 3. If so, please restart the device after inserting the SIM. This comprehensive guide will walk you through troubleshooting steps, common causes, and solutions to get your phone back online. 2. If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad Apr 28, 2025 · I have a s24 ultra and since the latest update my setup wizard keeps coming up telling me I need to put my sim card in or it isn't installed correctly. This guide provides several troubleshooting methods to help you resolve the issue and restore Apr 2, 2021 · Looking for a quick and easy solution to the "Invalid SIM card" issue on your smartphone? Here's as detailed guide to get rid of the problem. As a result of which, they aren’t able to make or place calls or send messages. An iPhone that shows “invalid SIM” and “SOS only” typically has a SIM card issue, such as being improperly inserted, damaged, or expired. Network locked SIM card inserted” error? It looks like your phone’s dead-end, right? We get it – it’s frustrating! But hold on, there’s no need to worry. <pHowever, if the new SIM card also displays an Invalid SIM error, the issue may be related to the device or its settings. Sep 15, 2025 · Fix SIM Failure, Invalid SIM, No SIM, or No SIM Installed errors after iOS 26 update. However, after doing some research, I got my TracFone SIM activated successfully. Network locked SIM card inserted: Firmware Issue When the reason for “Invalid SIM card. NOTE: Power off your device before removing the SIM card. Open Settings Select Applications and Programs > Application Manager. Please notice whether you insert the SIM when your LINKHUB is switched on. SIM card is functioning properly. Maybe just a fluke? May 17, 2023 · Do you keep seeing the 'No SIM Card Detected' error on your Samsung Galaxy phone? Here's what you can do to fix it. Dec 3, 2023 · What to do if all of a sudden your iPhone says no SIM Card installed, Invalid SIM, or SIM failure? This question troubles many users and can occur on all iPhone models. 6 update or iOS 26 Beta 3 update, some users have noticed that the SIM card is no longer working on their devices. Restarting the phone while connected to WIFI will temporarily fix the issue. Jan 19, 2019 · Re: Resolving Errors: Invalid or Missing SIM card, Invalid IMEI, and Cellular Network "Unknown" Welcome to Android Central! I agree that a factory reset is probably the best next step. Common variations of this message include: The “invalid SIM card,” “no SIM card,” or “SIM card not detected” warnings will tell you if you have an issue. Jun 2, 2025 · Hey, is anyone having an issue with their SIM card not working after updating to One UI 7? Before the update, my phone model was SM-G990U1, but after the update, it shows as SM-G990U1/DS. It had a pre-installed system application, which I believe was called "CID Manager," responsible for SIM card and operator configuration. May 3, 2025 · Every morning since the April '25 Android 15 update I receive a notification from the Setup Wizard stating I don't have a SIM card installed. What you need to do is open Settings > open Wireless & network > click on Mobile Network. Test the SIM card with another device 3. wyih mejng wnu vndh mzydqt zhry kyap uhbx tqu cfclx